<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>数字时钟</title>
    <link rel="stylesheet" href="style.css">
</head>

<body>
<div class="clock">
    <div class="numbers">
        <span style="--i:0"><b>12</b></span>
        <span style="--i:1"><b>3</b></span>
        <span style="--i:2"><b>6</b></span>
        <span style="--i:3"><b>9</b></span>
        <div class="circle" id="hr"><i></i></div>
        <div class="circle" id="mn"><i></i></div>
        <div class="circle" id="sc"><i></i></div>
    </div>
</div>
</body>
<script src="script.js"></script>
</html>